[jboss-jira] [JBoss JIRA] Resolved: (JBRULES-2724) OOME on Marshalling (JPA), caused by infinite cycle on OutputMarshaller.writeLeftTuple

Sat Oct 16 18:20:54 EDT 2010

     [ https://jira.jboss.org/browse/JBRULES-2724?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kris Verlaenen resolved JBRULES-2724.
-------------------------------------

         Assignee: Kris Verlaenen  (was: Mark Proctor)
    Fix Version/s: 5.2.0.M1
       Resolution: Done


Applied patch

> OOME on Marshalling (JPA), caused by infinite cycle on OutputMarshaller.writeLeftTuple
> --------------------------------------------------------------------------------------
>
>                 Key: JBRULES-2724
>                 URL: https://jira.jboss.org/browse/JBRULES-2724
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: drools-core  (expert)
>    Affects Versions: 5.1.1.FINAL
>         Environment: OpenSuse Linux, java version "1.6.0_21"
>            Reporter: Dan Danciu
>            Assignee: Kris Verlaenen
>             Fix For: 5.2.0.M1
>
>         Attachments: OutputMarshaller-DanDanciu.patch
>
>
> When trying to marshal my stateful session (spring configured) using JPA, the tests failed with OutOfMemoryError.
> After tracing the OOEM, I found the fault in a infinite loop in org.drools.marshalling.impl.OutputMarshaller, method writeLeftTuple, for the cases:       NodeTypeEnums.NotNode, NodeTypeEnums.ForallNotNode and NodeTypeEnums.ExistsNode.
> The problem was that childLeftTuple was not taken from childLeftTuple but from leftTuple, causing the infinite loop.
> Sorry, I cannot give you more info on how to reproduce the problem, for us it appears only in an certain integration test, but I did create a patch, and our code works with it.

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